{"id":"CVE-2026-26445","aliases":["EUVD-2026-66756","GHSA-p6pc-q683-388g","UBUNTU-CVE-2026-26445"],"status":"published","title":"stomper 5e2741e is vulnerable to Denial of Service. A malicious client can send partial STOMP...","description":"stomper 5e2741e is vulnerable to Denial of Service. A malicious client can send partial STOMP frames and keep the TCP connections open, which, combined with the broker s use of edge-triggered epoll (EPOLLET) and MSG_PEEK in recv(), causes sockets to enter a permanent half-read state. When enough such connections accumulate, the broker stops receiving any further epoll events for those sockets and eventually hangs in epoll_wait, effectively refusing to process new messages.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00488,"percentile":0.42294,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2026-08-26T00:00:00Z","modified":"2026-10-28T02:31:03Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"stomper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3.0-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"stomper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3.0-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"stomper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.1-2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"stomper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.1-2","0.4.3-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"stomper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.3-2","0.4.3-3"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"stomper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.3-3build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"stomper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.3-3","0.4.3-3build1"]}],"references":[{"url":"https://github.com/songxpu/bug_report/blob/master/Stomp/stomper_vuln5.md","tags":["web"]},{"url":"https://github.com/mdoi/stomper","tags":["package"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26445","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-p6pc-q683-388g"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26445.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-26445","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-26445","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-26445","description":"stomper 5e2741e is vulnerable to Denial of Service. A malicious client can send partial STOMP frames and keep the TCP connections open, which, combined with the broker s use of edge-triggered epoll (EPOLLET) and MSG_PEEK in recv(), causes sockets to enter a permanent half-read state. When enough such connections accumulate, the broker stops receiving any further epoll events for those sockets and eventually hangs in epoll_wait, effectively refusing to process new messages.","status":"published","published":"2026-08-26T00:00:00Z","modified":"2026-09-02T12:26:10.451Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T13:38:20.971157Z"}],"euvd":[{"id":"EUVD-2026-66756","description":"stomper 5e2741e is vulnerable to Denial of Service. A malicious client can send partial STOMP frames and keep the TCP connections open, which, combined with the broker s use of edge-triggered epoll (EPOLLET) and MSG_PEEK in recv(), causes sockets to enter a permanent half-read state. When enough such connections accumulate, the broker stops receiving any further epoll events for those sockets and eventually hangs in epoll_wait, effectively refusing to process new messages.","status":"published","published":"2026-08-26T00:00:00Z","modified":"2026-09-02T12:26:10Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:16.020579Z"}],"ghsa":[{"id":"GHSA-p6pc-q683-388g","title":"stomper 5e2741e is vulnerable to Denial of Service. A malicious client can send partial STOMP...","description":"stomper 5e2741e is vulnerable to Denial of Service. A malicious client can send partial STOMP frames and keep the TCP connections open, which, combined with the broker s use of edge-triggered epoll (EPOLLET) and MSG_PEEK in recv(), causes sockets to enter a permanent half-read state. When enough such connections accumulate, the broker stops receiving any further epoll events for those sockets and eventually hangs in epoll_wait, effectively refusing to process new messages.","status":"published","published":"2026-08-26T21:31:42Z","modified":"2026-09-02T15:35:36Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:11:17.291346Z"}],"nvd":[{"id":"CVE-2026-26445","description":"stomper 5e2741e is vulnerable to Denial of Service. A malicious client can send partial STOMP frames and keep the TCP connections open, which, combined with the broker s use of edge-triggered epoll (EPOLLET) and MSG_PEEK in recv(), causes sockets to enter a permanent half-read state. When enough such connections accumulate, the broker stops receiving any further epoll events for those sockets and eventually hangs in epoll_wait, effectively refusing to process new messages.","status":"published","published":"2026-08-26T20:17:11.4Z","modified":"2026-09-02T13:17:14.83Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:12:41.66469Z"}],"osv":[{"id":"CVE-2026-26445","description":"stomper 5e2741e is vulnerable to Denial of Service. A malicious client can send partial STOMP frames and keep the TCP connections open, which, combined with the broker s use of edge-triggered epoll (EPOLLET) and MSG_PEEK in recv(), causes sockets to enter a permanent half-read state. When enough such connections accumulate, the broker stops receiving any further epoll events for those sockets and eventually hangs in epoll_wait, effectively refusing to process new messages.","status":"published","published":"2026-08-26T00:00:00Z","modified":"2026-10-28T02:31:03.193914303Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:59.80315Z"},{"id":"UBUNTU-CVE-2026-26445","description":"stomper 5e2741e is vulnerable to Denial of Service. A malicious client can send partial STOMP frames and keep the TCP connections open, which, combined with the broker s use of edge-triggered epoll (EPOLLET) and MSG_PEEK in recv(), causes sockets to enter a permanent half-read state. When enough such connections accumulate, the broker stops receiving any further epoll events for those sockets and eventually hangs in epoll_wait, effectively refusing to process new messages.","status":"published","published":"2026-08-26T20:17:00Z","modified":"2026-10-17T12:56:18.055870733Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:56:08.726452Z"}]}}